EXCLUSIVE: Defense attorney Carl Douglas says former client O.J. Simpson isn't losing 'a second of sleep' over knife allegedly found at his estate

Carl Douglas, one of the defense attorneys in O.J. Simpson's infamous murder case, is speaking out after news broke that the Los Angeles Police Department is investigating a knife that was allegedly recovered on property once owned by his former client.

ET chatted with Douglas at his Los Angeles home on Friday, where he called the new discovery "ridiculous."

"I woke up this morning to learn for the first time about this knife that was supposedly found at O.J.'s property and I thought it was ridiculous," he said. "I was surprised [that] the media frenzy 22 years after the death could still be so immediate, and it really enforced to me the awesome power of television and how it affects our lives so greatly even today."

Douglas told ET that despite the new findings, he doesn't think Simpson -- who is currently serving a 33-year sentence in a Nevada state prison after he was arrested in connection with a robbery in September 2007 -- should worry.

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EXCLUSIVE: Defense attorney Carl Douglas says former client O.J. Simpson isn't losing 'a second of sleep' over knife allegedly found at his estate

LOS ANGELES, CA - JANUARY 23: O.J. Simpson's children from his first marriage, Jason (L), Arnelle (R) and cousin Terri Baker (C) appear in court 23 January in Los Angeles as the former football great and television celebrity's double-murder trial is expected to begin with opening statements. O.J. Simpson is accused of murdering his ex-wife Nicole Brown-Simpson and Ronald Lyle Goldman on 12 June 1994. (COLOR KEY: Collar (L) is red) AFP PHOTO (Photo credit should read RICK MEYER/AFP/Getty Images)

Fred Goldman and Patti Glass Goldman, the father and stepmother of murder victim Ronald Goldman, listen to prosecutor Christopher Darden as he delivers opening statements during the O.J. Simpson murder trial, January 24, Los Angeles, California. (Photo by AFP/Getty Images)

LOS ANGELES, CA - JANUARY 23: O.J. Simpson (R) looks up during a 23 January court hearing in Los Angeles, Ca, as attorney Johnnie Cochran Jr. reviews doucuments in what should be opening day in Simpson's double-murder trial begins. Several evidenciary issues remain before the trial will be heard in front of the jury. (COLOR KEY: Brown wall.) AFP PHOTO (Photo credit should read POO/AFP/Getty Images)

Deputy district attorney Marcia Clark gestures as she addresses the jury for the prosecution's opening statements in the murder trial of O.J. Simpson, Los Angeles, California, January 24, 1995. Simpson was accused of the 12 June 1994 murders of his ex-wife Nicole Brown and Ronald Goldman. (Photo by Myung J. Chun/AFP/Getty Images)

LOS ANGELES, CA - JANUARY 24: Judge Lance Ito looks at prosecutor Marcia Clark as he admonishes her for argumentative behavior during her opening statements to the jury in the O.J. Simpson murder trial 24 January in Los Angeles, CA. Ito ended the hearing later, after learning that the court video camera viewed live images of two jurors. Ito may remove cameras from the courtroom because of the incident. (COLOR KEY: Brown wall) AFP PHOTO (Photo credit should read POO/AFP/Getty Images)

LOS ANGELES, CA - JANUARY 26: Lead prosecutor Marcia Clark (L) talks with fellow prosecutor Christopher Darden during court proceedings 26 January 1995 in Los Angeles. The OJ Simpson trial was delayed by the hospitalization of prosecutor William Hodgman and continuing fray over the defense's failure to turn over the names of its anticipated witnesses. (COLOR KEY: Wall is brown.) AFP PHOTO (Photo credit should read POO/AFP/Getty Images)

LOS ANGELES, CA - JANUARY 31: A picture taken by the Los Angeles Police Department on 01 January 1989 and projected on a screen in the courtroom 31 January 1995 shows Nicole Brown Simpson after her 911 call reporting a spousal abuse episode that defendant O.J. Simpson eventually pleaded no contest to. The picture was displayed by the prosecution during questioning of LAPD Detective John Edwards at the double murder trial of Simpson. AFP PHOTO (Photo credit should read POO/AFP/Getty Images)

LOS ANGELES, CA - FEBRUARY 9: Prosecutors in the O.J. Simpson murder trial Marcia Clark(L) and Christopher Darden(2nd L) show a display of a blood trail 09 February at Nicole Simpson's condominium to the jury and Los Angeles Police Department(LAPD) officer Robert Riske(R) during testimony in Superior Court in Los Angeles. Riske was the first police officer to arrive at the scene where Nicole Simpson and Ron Goldman were murdered. (COLOR KEY:Blue chart.) AFP PHOTO (Photo credit should read POO/AFP/Getty Images)

LOS ANGELES, CA - JUNE 15: Double murder defendant O.J. Simpson puts on one of the bloody gloves as a Los Angeles Sheriff's Deputy looks on during the O.J. Simpson murder trial 15 June. One of the gloves was found at the murder scene, while the other was found at Simpson's state. AFP PHOTO (Photo credit should read SAM MIRCOVICH/AFP/Getty Images)

This 21 June 1995 file photo shows former US football player and actor O.J. Simpson looking at a new pair of Aris extra-large gloves that prosecutors had him put on during his double-murder trial in Los Angeles. Media tycoon Rupert Murdoch announced 20 November 2006 the cancellation of a controversial book and television interview involving O.J. Simpson being planned by his News Corp company. AFP PHOTO/Vince BUCCI/FILES (Photo credit should read VINCE BUCCI/AFP/Getty Images)

O.J. Simpson tries on a leather glove allegedly used in the murders of Nicole Brown Simpson and Ronald Goldman during testimony in Simpson's murder trial on June 15, 1995 in Los Angeles. (Photo by Lee Celano/WireImage)

LOS ANGELES, CA - JUNE 21: O.J. Simpson shows the jury a new pair of Aris extra-large gloves, similar to the gloves found at the Bundy and Rockingham crime scene 21 June 1995, during his double murder trial in Los Angeles,CA. Deputy Sheriff Roland Jex(L) and Prosecutor Christopher Darden (R) look on. (Photo credit should read VINCE BUCCI/AFP/Getty Images)

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Simpson was acquitted by a jury in the 1994 murders of his ex-wife, Nicole Brown Simpson, and her friend Ron Goldman, and therefore cannot be retried on murder charges, Douglas explained.

"I can't imagine O.J. Simpson losing a second of sleep over the discovery of this knife that was discovered for the first time at least years after the deaths," he said. "If you'll remember, O.J.'s property was scoured tooth and nail by the LAPD. They looked for everything from Bundy [Drive] to Rockingham [Avenue]. They took out the drains from the sinks in O.J.'s house looking for traces of blood. They scoured every inch of that property. If ever there was a metallic knife anywhere on that property, this department would have found it years and years ago."

"There is no way that O.J. Simpson could ever be charged again for the circumstances of those two deaths," he confirmed. "There's not a federal crime that was involved, so anyone to suggest that anything as a practical matter could ever come from this is sadly mistaken."

"For them to now consider spending taxpayer dollars to run a test on this supposed knife I think is really a waste of limited taxpayer resources," he continued.

ET also chatted with former prosecutor Marcia Clark on Friday, who revealed she remains skeptical on the matter, but is "glad the LAPD is taking it seriously."

"I really don't know what to think of it," Clark told ET. "I can't believe someone gave a police officer what appears to be, could be, important evidence in a case -- even if it is closed -- and takes it home. I don't know what to say about that except I can't believe it, but it's apparently what happened."